Price is for 1 XGreen/Red Railroad SignalsO scale made of 5mm LEDs with resistors, ready for 12V or 16V use you may cut the resistor from the wire if you need to use it on 3V Characteristic Price is for 1units Size for each : Approx. 130mm or 5.12' inch Height for O scale the signal head is made from Plastic Brand new PRODUCT DESCRIPTION Your station platform or street scenes will be more lively with these items.Perfect for Model Train Set Landscape ...